magnetosphere

noun
mag·ne·to·sphere | \mag-ˈnē-tə-ˌsfir, -ˈne-\

Definition of magnetosphere 

: a region of space surrounding a celestial object (such as a planet or star) that is dominated by the object's magnetic field so that charged particles are trapped in it

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Other Words from magnetosphere

magnetospheric \-ˌnē-tə-ˈsfir-ik, -ˈsfer- \ adjective

Examples of magnetosphere in a Sentence

Recent Examples on the Web

Saturn has a magnetosphere that cocoons Enceladus, unlike our own moon. Joe Pappalardo, Popular Mechanics, "Saturn and Its Moon Enceladus Talk To Each Other. The Sound Is Perfectly Cosmic and Eerie.," 10 July 2018 By mapping plasma around Saturn, researchers can determine the planet’s magnetosphere, or the magnetic bubble that surrounds some planets. Joe Pappalardo, Popular Mechanics, "Saturn and Its Moon Enceladus Talk To Each Other. The Sound Is Perfectly Cosmic and Eerie.," 10 July 2018 Mapping changes in Saturn’s magnetosphere can tell us a lot about the solar wind, a critical component of space weather that effects probes, satellites and astronauts alike. Joe Pappalardo, Popular Mechanics, "Saturn and Its Moon Enceladus Talk To Each Other. The Sound Is Perfectly Cosmic and Eerie.," 10 July 2018 In 2009, the Naval Research Lab suggested that astronomers couldlisten in to find habitable exoplanets by listening for the pulsations of their magnetospheres. John Wenz, Popular Mechanics, "Meet the Astronomer Who Listens to the Music of the Cosmos," 12 May 2015 The Solar wind Magnetosphere Ionosphere Link Explorer (SMILE), a joint CAS and European Space Agency mission, will pioneer a new technique for imaging Earth's magnetosphere. Dennis Normile, Science | AAAS, "New China space missions will watch for colliding black holes, solar blasts," 11 July 2018 To that end, NASA designed and built Imager for Magnetopause-to-Aurora Global Exploration, the first spacecraft ever dedicated to producing visible images of the magnetosphere. Jonathan M. Pitts, baltimoresun.com, "Johns Hopkins engineers helping NASA restore links to long-lost 'zombie' satellite," 24 May 2018 Thus, if any local hardware finds something unusual happening, its scientists could potentially turn to the IMAGE data to understand whether the magnetosphere as a whole was doing something unusual at the time. John Timmer, Ars Technica, "NASA confirms: Its undead satellite is operational," 8 Feb. 2018 Both are part of the magnetosphere, the region in space governed by Jupiter's magnetic field. Avery Thompson, Popular Mechanics, "Listen to the Sound and Fury of Jupiter as Recorded by Juno," 1 July 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magnetosphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of magnetosphere

1959, in the meaning defined above

History and Etymology for magnetosphere

magneto- + -sphere

Note: Term introduced by the Austrian-born physicist Thomas Gold (1920-2004) in "Motions in the Magnetosphere of the Earth," Journal of Geophysical Research, vol. 64, no. 9 (September, 1959), pp. 1219-24.

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25 Sep 2018

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The first known use of magnetosphere was in 1959

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More from Merriam-Webster on magnetosphere

Britannica English: Translation of magnetosphere for Arabic Speakers

Britannica.com: Encyclopedia article about magnetosphere

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